Man Tasered at Buckingham Palace

Man Tasered at Buckingham Palace (ABC News)

British Police arrested a man outside Buckingham Palace after he was holding a knife to his throat Sunday.

The incident occurred right before noon.

Authorities said the man had two knives. When the man was challenged by police, he acted aggressively and a "taser was discharged."

The man's identity has not been released.

Queen Elizabeth II and Prince Philip were not at the palace at the time of the incident.